CN212994597U

CN212994597U - Protective mask structure

Info

Publication number: CN212994597U
Application number: CN202021478048.0U
Authority: CN
Inventors: 王良仁
Original assignee: Taizhou Lion King Signal Co ltd
Current assignee: Taizhou Lion King Signal Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-20
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a protective mask structure belongs to protective articles technical field. It has solved current protective facial mask pleasing to the eye inadequately, has inhaled not enough smooth and easy class of technical problem. The protective mask structure comprises a mask made of silica gel materials, wherein a downward step surface is arranged on the mask, an air inlet mounting hole is formed in the step surface, a breather valve is detachably clamped at the air inlet mounting hole and is arranged downward, and a filter element is detachably arranged in the breather valve; the mask is also provided with at least two air outlet mounting holes; a one-way scavenging air valve is arranged at each air outlet mounting hole; connecting belts are arranged on two sides of the face mask. The breather valve is arranged downwards in the protective mask structure and corresponds to the nostril, so that the breathing is smoother and more comfortable.

Description

Protective mask structure

Technical Field

The utility model belongs to the technical field of protective articles, a protective facial mask structure is related to.

Background

The protective mask is a sanitary article, generally worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances. The protective mask has a certain filtering function on air entering the lung, and has a very good effect when being worn in the environment with epidemic respiratory infectious diseases or dust and the like. Protective masks can be divided into air filtration type masks and air supply type masks; the traditional civil protective mask structure is made of filter cotton materials or non-woven fabrics, is usually discarded after being used once, has higher use cost and can cause waste; and the whole nonwoven fabric is attached to the face for a long time, which causes discomfort to the face.

Chinese patent (publication No. CN 108741302A; publication No. 2018-11-06) discloses a protective mask, which comprises a mask body, wherein the back side of the mask body is provided with an oral-nasal cavity, the front side of the mask body is provided with an open filter cavity, the periphery of the oral-nasal cavity forms a joint mask frame, a detachable filter module is buckled in the opening of the filter cavity, an air inlet valve is arranged between the filter cavity and the oral-nasal cavity, the filter cavity is communicated with the oral-nasal cavity in a one-way through the air inlet valve, and the oral-nasal cavity is provided with an air outlet valve communicated with the; an air inlet is arranged between the filter cavity and the oral-nasal cavity, an air inlet valve is arranged at the air inlet, the filter cavity is communicated with the oral-nasal cavity in a single-way mode through the air inlet valve, air outside the mask body is sucked into the filter cavity through the air inlet valve when the nose inhales air, the air is filtered through a detachable filter module in the filter cavity, and the air is filtered and then enters the nasal cavity through the air inlet valve.

The protective mask in the patent document has the problems of unsmooth air flow, uncomfortable use and the like; and it is inconvenient to sterilize or replace the valve cartridge, thereby having a low recycling rate.

Disclosure of Invention

The utility model discloses according to the above-mentioned problem that prior art exists, a protective facial mask structure is provided, the utility model aims to solve the technical problem that: how to provide a protective mask structure which has smooth and reliable airflow and can be repeatedly used.

The purpose of the utility model can be realized through the following technical scheme:

a protective mask structure comprises a mask made of silica gel materials, and is characterized in that a downward step surface is arranged on the mask, an air inlet installation hole is formed in the step surface, a breather valve is detachably clamped at the air inlet installation hole and is arranged downward, and a filter element is detachably arranged in the breather valve; the mask is also provided with at least two air outlet mounting holes; a one-way scavenging air valve is arranged at each air outlet mounting hole; connecting bands are further arranged on two sides of the mask.

The working principle is as follows: air enters the mask after being filtered by the filter element in the breather valve from the outside, and the air exhaled by the wearer is exhausted outwards through the one-way scavenging valve. The one-way air exchange valve can adopt an air exchange valve commonly used by a common protective mask. When breathing in, the one-way scavenging valve is not communicated with the outside, and when breathing out, the one-way scavenging valve is opened; thus, the inspiration and expiration respectively pass through two independent channels without mutual interference. The breather valve sets up downwards among this technical scheme, and is corresponding with the nostril for breathe in more smoothly comfortable. The mask is made of a nipple-level silica gel material, can be repeatedly used, and can be disinfected by boiled water at 100 ℃. The filter element can be cleaned and replaced, and the filter element with different filtering effects can be replaced according to different use occasions; for example, the coating is applied to the anti-virus and anti-dust occasions respectively; the filter element in the technical scheme can adopt active carbon to prevent poison. The filter element in the technical scheme can be cleaned for more than 10 times, so that the cleanness and sanitation of the protective mask structure are ensured, and the reuse rate of the protective mask structure is also improved. Utilize the connecting band to carry out wearing of protective mask among this technical scheme, rather than hangers formula structure, it is more comfortable like this, be fit for wearing for a long time, symptoms such as ear pain can not appear.

In the protective mask structure, the mask is of a concave structure, the upper side of the mask is provided with a convex part which is attached to the bridge of the nose of a human body, and the two sides of the mask are provided with circular arc parts which are attached to the cheeks of the human body; the outer edges of the convex part and the arc part are folded inwards to form a fit edge corresponding to the nose bridge and the cheek and matched with the nose bridge and the cheek; the bulge is also provided with a deformable shaping iron sheet. The sealing performance of the mask and the face can be improved through the attaching edges, and the contact area of the mask and the face is increased, so that the mask is more comfortable to wear; the shaping iron sheet can ensure that the mask is hung on the nose bridge and is prevented from falling off; the mask can be attached to the nose bridge, and the sealing performance is improved.

In the protective mask structure, three air outlet mounting holes are formed in the mask, two of the air outlet mounting holes are located on two sides of the protruding portion, and the other air outlet mounting hole is located below the step surface. This ensures a rapid discharge of exhaled air.

In foretell protective mask structure, one-way scavenging valve includes the joint and is in gas outlet mounting hole department just is annular casing one, the one end spiro union of casing one has the end cover, set up on the end cover with the inside venthole that is linked together of casing one, the other end port of casing one has set firmly the mounting bracket, be equipped with the valve block that rubber materials made on the side of mounting bracket outwards, the valve block pastes and leans on just can the shutoff on the mounting bracket the port of casing one. When air is discharged, the valve plate is pushed open by airflow and exhausts the air to the outside; when breathing in, the valve block is attached to the mounting frame and cannot be opened, and airflow can only enter from the breather valve, so that the cleanness and sanitation of air entering the face mask are ensured.

In the protective mask structure, the outer peripheral surface of the first shell is provided with a first annular groove, the hole wall of the air outlet mounting hole is provided with a first annular convex edge along the circumferential direction of the hole wall, and the first annular convex edge can be embedded in the first groove. The face guard is flexible, can convenient and fast insert it into the recess of casing one through the deformation of annular protruding edge one in, can guarantee the leakproofness moreover, the installation and the dismantlement of one-way scavenging valve are all very convenient, have improved the convenience that whole protective facial mask structure production assembly and one-way scavenging valve were changed.

In foretell protective mask structure, the breather valve includes the joint and is in casing two of air inlet mounting hole department and link firmly intake pipe on the casing two, be hollow out construction on the global of intake pipe, the filter core sets up in the casing two.

The filter core among this technical scheme can be by the barrel that the cloth encloses of spouting melting and the cavernosum that is the column that sets up in the barrel, and the cavernosum supports the barrel, filters the air through the barrel that the cloth encloses of spouting melting.

In the protective mask structure, the outer peripheral surface of the second shell is provided with a second annular groove, the hole wall of the air inlet mounting hole is provided with a second annular convex edge along the circumferential direction of the hole wall, and the second annular convex edge can be embedded in the second groove. The face mask is flexible, can be conveniently and quickly clamped into the second groove of the second shell through the deformation of the second annular convex edge, can ensure the sealing property, and is convenient to install and disassemble the whole breather valve

In foretell protective facial mask structure, the both sides of face guard have the joint strip, the both ends of joint strip link firmly just on the side of face guard the joint strip with form the joint hole between the side of face guard, the one end of connecting band has the flange and this end is pegged graft downthehole the joint.

In foretell protective facial mask structure, two the connecting band can be connected through the connector link, the connector link cover is established the other end of connecting band, the connector link is inhaled the connector link for magnetism. The connecting buckle is an existing product sold in the market, and the specific structure of the connecting buckle is not described in detail. Of course, the two connecting bands can be connected in other ways.

Furthermore, the clamping strips can be integrally formed with the mask, or can be respectively processed and then bonded together by glue or hot melting technology; the two connecting belts can be very conveniently assembled on the mask, and the use is stable and reliable; connect two connecting bands through the connector link, wearing of whole protective facial mask structure is very convenient, and the position of connector link on the connecting band can be adjusted according to different people's needs to the elasticity behind the face guard is taken to the adjustment human body, satisfies diversified demand.

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

1. the breather valve is arranged downwards in the protective mask structure and corresponds to the nostril, so that the breathing is smoother and more comfortable.

2. The mask in the protective mask structure is made of silica gel materials, can be repeatedly used and can be disinfected by boiled water of 100 ℃. The filter element can be cleaned and replaced, and the filter element with different filtering effects can be replaced according to different use occasions.

3. Utilize the connecting band to carry out wearing of protective mask in this protective mask structure, rather than hangers formula structure, it is more comfortable like this, be fit for wearing for a long time, symptoms such as ear pain can not appear.

Drawings

Fig. 1 is a schematic perspective view of the protective mask structure.

Fig. 2 is a schematic perspective view of the protective mask structure.

Fig. 3 is a schematic structural view of a one-way ventilation valve in the structure of the protective mask.

Fig. 4 is a schematic structural diagram of a breather valve in the structure of the protective mask.

In the figure, 1, a face mask; 1a, a step surface; 1b, air inlet mounting holes; 1c, an air outlet mounting hole; 1d, a first annular convex edge; 1e, an annular convex edge II; 2. a breather valve; 21. a second shell; 21a and a second groove; 22. an air inlet pipe; 23. a filter element; 3. a one-way scavenging valve; 31. a first shell; 31a, a first groove; 32. a mounting frame; 33. a valve plate; 4. an end cap; 41. an air outlet; 5. a connecting belt; 5a, a flange; 6. a connecting buckle; 7. a clamping strip; 7a, a clamping hole; 8. and (5) shaping the iron sheet.

Detailed Description

The following is a detailed embodiment of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to the following embodiment.

As shown in fig. 1 to 4, the protective mask structure comprises a mask 1 made of a silica gel material, wherein the mask 1 is provided with a downward step surface 1a, the step surface 1a is provided with an air inlet mounting hole 1b, a breather valve 2 is detachably clamped at the air inlet mounting hole 1b, the breather valve 2 is arranged downward, and a filter element 23 is detachably arranged in the breather valve 2; the face mask 1 is also provided with at least two air outlet mounting holes 1 c; a one-way scavenging air valve 3 is arranged at each air outlet mounting hole 1 c; connecting belts 5 are arranged on two sides of the face mask 1. Preferably, the two connection bands 5 in this embodiment can be connected by the connection buckle 6.

When the respirator is used, air enters the mask 1 after being filtered by the filter element 23 in the breather valve 2 from the outside, and air exhaled by a wearer is discharged outwards through the one-way scavenging valve 3. The one-way ventilation valve 3 can adopt a ventilation valve commonly used by common protective masks. When breathing in, the one-way scavenging valve 3 is not communicated with the outside, and when breathing out, the one-way scavenging valve 3 is opened; thus, the inspiration and expiration respectively pass through two independent channels without mutual interference. The breather valve 2 is arranged downwards in the embodiment and corresponds to the nostril, so that the inhalation is smoother and more comfortable. The face mask 1 is made of a nipple-level silica gel material, can be repeatedly used and can be disinfected by boiled water at 100 ℃. The filter element 23 can be cleaned and replaced, and the filter element 23 can be replaced with filter elements 23 with different filtering effects according to different use occasions; for example, the coating is applied to the anti-virus and anti-dust occasions respectively; the filter element 23 in this embodiment can be activated carbon for poison prevention. The filter element 23 in the embodiment can be cleaned for more than 10 times, so that the cleanness and sanitation of the protective mask structure are ensured, and the reuse rate of the protective mask structure is also improved. Utilize connecting band 5 to carry out wearing of protective mask in this embodiment, rather than hangers formula structure, it is more comfortable like this, be fit for wearing for a long time, symptoms such as ear pain can not appear.

Further, as shown in fig. 1 and 2, the face mask 1 is of a concave structure, the upper side of the face mask 1 is provided with a convex part which is attached to the bridge of the nose of a human body, and two sides of the face mask 1 are provided with arc parts which are attached to the cheeks of the human body; the outer edges of the convex part and the arc part are folded inwards to form a fit edge corresponding to the nose bridge and the cheek and matched with the nose bridge and the cheek; the bulge part is also provided with a deformable shaping iron sheet 8, so that the sealing performance of the mask 1 and the face can be improved through the attaching edge, the contact area with the face is increased, and the mask is more comfortable to wear; the shaping iron sheet 8 can ensure that the face mask 1 is hung on the nose bridge and is prevented from falling off.

Preferably, the mask 1 in this embodiment is provided with three air outlet mounting holes 1c, two of which are located at two sides of the protruding portion, and the other of which is located below the step surface 1 a; this ensures a rapid discharge of exhaled air. Combine shown in fig. 3, one-way scavenging valve 3 is including the joint in the mounting hole 1c department of giving vent to anger and be annular casing 31, and the one end spiro union of casing 31 has end cover 4, sets up the venthole 41 that is linked together with casing 31 inside on end cover 4, and the other end port of casing 31 has set firmly mounting bracket 32, is equipped with the valve block 33 that rubber materials made on the side of mounting bracket 32 outwards, and valve block 33 pastes and leans on mounting bracket 32 and can shutoff casing 31's port. When air is discharged, the valve plate 33 is pushed open by airflow and exhausts the air to the outside; when in air suction, the valve plate 33 is attached to the mounting frame 32 and cannot be opened, and air flow can only enter from the breather valve 2, so that the cleanness and sanitation of air entering the mask 1 are ensured; an annular groove I31 a is formed in the outer peripheral surface of the shell I31, an annular convex edge I1 d along the circumferential direction is formed in the hole wall of the air outlet mounting hole 1c, and the annular convex edge I1 d can be embedded in the groove I31 a. As shown in fig. 4, the breather valve 2 includes a second housing 21 clamped in the air inlet mounting hole 1b and an air inlet pipe 22 fixedly connected to the second housing 21, the circumferential surface of the air inlet pipe 22 is of a hollow structure, and a filter element 23 is arranged in the second housing 21; the outer peripheral surface of the second shell 21 is provided with an annular groove two 21a, the hole wall of the air inlet mounting hole 1b is provided with an annular convex edge two 1e along the circumferential direction, and the annular convex edge two 1e can be embedded in the groove two 21 a. The face mask 1 is flexible, can be conveniently and quickly clamped into the first groove 31a of the first shell 31 through the deformation of the annular convex edge 1d, can be conveniently and quickly clamped into the second groove 21a of the second shell 21 through the deformation of the annular convex edge two 1e, and can ensure the sealing property, and the installation and the disassembly of the whole one-way ventilation valve 3 and the breather valve 2 are all convenient

As shown in fig. 1 and 2, two sides of the face mask 1 are provided with a clamping strip 7, two ends of the clamping strip 7 are fixedly connected to the side surface of the face mask 1, a clamping hole 7a is formed between the clamping strip 7 and the side surface of the face mask 1, one end of the connecting band 5 is provided with a flange 5a, the flange 5a is inserted into the clamping hole 7a, the connecting buckle 6 is sleeved at the other end of the connecting band 5, and the connecting buckle 6 is a magnetic suction connecting buckle 6. The connecting buckle 6 is a conventional product sold in the market, and the detailed structure thereof is not described. Furthermore, the clamping strip 7 can be integrally formed with the face mask 1, or can be respectively processed and then bonded together by glue or hot melting technology; the two connecting belts 5 can be very conveniently assembled on the face mask 1, and the use is stable and reliable; couple together two connecting bands 5 through connector link 6, it is very convenient that wearing of whole protective facial mask structure, and the position of connector link 6 on connecting band 5 can be adjusted according to different people's needs to the elasticity behind face guard 1 is taken to the adjustment human body, satisfies diversified demand.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although more use is made herein of 1, face masks; 1a, a step surface; 1b, air inlet mounting holes; 1c, an air outlet mounting hole; 1d, a first annular convex edge; 1e, an annular convex edge II; 2. a breather valve; 21. a second shell; 21a and a second groove; 22. an air inlet pipe; 23. a filter element; 3. a one-way scavenging valve; 31. a first shell; 31a, a first groove; 32. a mounting frame; 33. a valve plate; 4. an end cap; 41. an air outlet; 5. a connecting belt; 5a, a flange; 6. a connecting buckle; 7. a clamping strip; 7a, a clamping hole; 8. shaping iron pieces, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A protective mask structure comprises a mask (1) made of silica gel materials, and is characterized in that the mask (1) is provided with a downward step surface (1a), the step surface (1a) is provided with an air inlet mounting hole (1b), a breather valve (2) is detachably clamped at the air inlet mounting hole (1b) and is arranged downwards, and a filter element (23) is detachably arranged in the breather valve (2); the mask (1) is also provided with at least two air outlet mounting holes (1 c); a one-way scavenging air valve (3) is arranged at each air outlet mounting hole (1 c); connecting belts (5) are further arranged on two sides of the face mask (1).

2. The protective mask structure according to claim 1, wherein the face mask (1) is a concave structure, the upper side of the face mask (1) is provided with a convex part which is attached to the bridge of the nose of a human body, and two sides of the face mask (1) are provided with circular arc parts which are attached to the cheeks of the human body; the outer edges of the convex part and the arc part are folded inwards to form a fit edge corresponding to the nose bridge and the cheek and matched with the nose bridge and the cheek; the bulge is also provided with a deformable shaping iron sheet (8).

3. The protective mask structure according to claim 2, wherein the face mask (1) is provided with three air outlet mounting holes (1c), two of which are located on both sides of the projection, and the other of which is located below the step surface (1 a).

4. The protective mask structure according to claim 1 or 2, wherein the one-way ventilation valve (3) comprises a first annular shell (31) which is clamped at the air outlet mounting hole (1c), an end cover (4) is screwed at one end of the first shell (31), an air outlet hole (41) communicated with the inside of the first shell (31) is formed in the end cover (4), a mounting frame (32) is fixedly arranged at the port of the other end of the first shell (31), a valve sheet (33) made of rubber materials is arranged on the outward side face of the mounting frame (32), and the valve sheet (33) is attached to the mounting frame (32) and can block the port of the first shell (31).

5. The protective mask structure according to claim 4, wherein the first shell (31) is provided with a first annular groove (31a) on the outer peripheral surface thereof, the wall of the outlet mounting hole (1c) is provided with a first annular convex edge (1d) along the circumferential direction thereof, and the first annular convex edge (1d) can be embedded in the first annular groove (31 a).

6. The protective mask structure according to claim 1 or 2, wherein the breather valve (2) comprises a second casing (21) clamped at the air inlet mounting hole (1b) and an air inlet pipe (22) fixedly connected to the second casing (21), the circumferential surface of the air inlet pipe (22) is hollow, and the filter element (23) is arranged in the second casing (21).

7. The protective mask structure according to claim 6, wherein a second annular groove (21a) is formed in the outer peripheral surface of the second shell (21), and the wall of the air inlet fitting hole (1b) has a second annular protruding edge (1e) along the circumferential direction thereof, and the second annular protruding edge (1e) can be fitted into the second annular groove (21 a).

8. The protective mask structure according to claim 1 or 2, wherein clamping strips (7) are arranged on two sides of the face mask (1), two ends of each clamping strip (7) are fixedly connected to the side faces of the face mask (1), a clamping hole (7a) is formed between each clamping strip (7) and the side face of the face mask (1), one end of each connecting band (5) is provided with a flange (5a), and the end is inserted into the clamping hole (7 a).