CN213247068U

CN213247068U - Protective mask structure

Info

Publication number: CN213247068U
Application number: CN202022130069.XU
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: 2020-09-24
Publication date: 2021-05-25
Anticipated expiration: 2030-09-24
Also published as: WO2022062900A1

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 material, wherein the mask is provided with a downward step surface, the step surface is provided with an installation through hole, and a breather valve is detachably clamped at the installation through hole and is arranged downward; the breather valve comprises a valve shell pipe clamped at the mounting through hole, the valve shell pipe is arranged downwards, the lower end of the valve shell pipe is closed, the circumferential surface of the valve shell pipe is of a hollow structure, and a columnar sponge body is embedded in the valve shell pipe; spray-melting cloth is arranged between the peripheral surface of the sponge body and the inner wall of the valve casing pipe and sleeved outside the sponge body; 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 installation through hole is formed in the step surface, and a breather valve is detachably clamped at the installation through hole and arranged downward; the breather valve comprises a valve shell pipe clamped at the mounting through hole, the valve shell pipe is arranged downwards, the lower end of the valve shell pipe is closed, the circumferential surface of the valve shell pipe is of a hollow structure, and a columnar sponge body is embedded in the valve shell pipe; spray-melting cloth is arranged between the peripheral surface of the sponge body and the inner wall of the valve shell tube, and the spray-melting cloth is sleeved outside the sponge body; connecting bands are further arranged on two sides of the mask.

The working principle is as follows: air enters the mask from the outside after passing through the breather valve, and in the process, the air needs to pass through the spray-melt cloth and the sponge body, and the air is filtered by the spray-melt cloth. The breather valve sets up downwards among this technical scheme, and is corresponding with the nostril for breathe smoothly more 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 spray melting cloth and the sponge body are convenient to replace, and the spray melting cloth with different filtering effect grades 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. Utilize the connecting band to wear 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 earache can not appear.

In the protective mask structure, the valve shell tube is cylindrical, an opening is formed in the end face of the upper end of the valve shell tube, an annular clamping groove is formed in the peripheral face of the upper end of the valve shell tube, and the side wall of the mounting through hole is clamped in the annular clamping groove; the sponge body is cylindrical, the end face of the upper end of the sponge body is opposite to the opening, and the spray-melting cloth is cylindrical and covers the hollow structure of the valve shell pipe; and the inner side surface and the outer side surface of the spray melting cloth are tightly attached to the inner wall of the valve shell pipe and the peripheral surface of the sponge body. In the technical scheme, the sponge body supports the spray-melting cloth, the sponge body can circulate air, and the air is filtered through a cylinder surrounded by the spray-melting cloth; the contact area of the whole spray-melting cloth and the hollow-out structures of the sponge body and the valve shell pipe is large, the air flow is improved, and the comfort of a human body is guaranteed.

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, as a further improvement, at least one air outlet mounting hole is further formed in the mask, and a one-way air outlet valve is mounted at each air outlet mounting hole. Preferably, the number of the air outlet mounting holes is three, two of the air outlet mounting holes are positioned on two sides of the protruding part, and the other air outlet mounting hole is positioned below the step surface. This ensures a rapid discharge of exhaled air.

In foretell protective mask structure, one-way air outlet valve includes the joint and is in air outlet mounting hole department just is annular casing, the one end spiro union of casing has the end cover, set up on the end cover with the inside venthole that is linked together of casing, the other end port of casing 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. 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 shell is provided with an annular groove, the hole wall of the air outlet mounting hole is provided with an annular convex edge along the circumferential direction of the hole wall, and the annular convex edge can be embedded in the groove. The face guard is flexible, can convenient and fast through the deformation of the protruding edge of annular with its card go into the recess of casing, can guarantee the leakproofness moreover, the installation of one-way air outlet valve is all very convenient with the dismantlement, has improved the convenience that whole protective mask structure production assembly and one-way air outlet valve were changed. Similarly, the hole wall of the installation through hole is also provided with an annular convex edge along the circumferential direction of the installation through hole, and the annular convex edge can be embedded in the annular clamping groove, so that the sealing performance of the connection between the valve shell tube and the face mask can be ensured, and the installation and the disassembly are very convenient.

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. This facilitates the assembly and replacement of the connection strap.

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. The two connecting bands are very convenient to connect, and the tightness can be conveniently adjusted when the user wears the glasses.

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 breather valve of the utility model is arranged downwards and corresponds to the nostril, so that the air suction is smoother and more comfortable; the whole mask is made of silica gel materials, can be repeatedly used and can be disinfected by boiled water at 100 ℃; the mask is worn by using the connecting band instead of the ear-hanging structure, so that the mask is more comfortable, is suitable for being worn for a long time, and does not have the symptoms of ear pain and the like.

Drawings

Fig. 1 is a schematic perspective view of a mask structure according to a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of the protective mask structure according to the first embodiment.

Fig. 3 is a schematic structural view of a valve casing tube in the protective mask structure.

Fig. 4 is a schematic structural view of the sponge and the melt-blown fabric in the protective mask structure.

Fig. 5 is a schematic perspective view of a protective mask according to a second embodiment of the present invention.

Fig. 6 is a schematic perspective view of the second protective mask according to the second embodiment.

Fig. 7 is a schematic structural view of a one-way air outlet valve in the structure of the protective mask in the second embodiment.

In the figure, 1, a face mask; 1a, a step surface; 1b, installing a through hole; 1c, an air outlet mounting hole; 1d, an annular convex edge; 2. a breather valve; 21. a valve housing tube; 21a, an opening; 21b, a ring-shaped clamping groove; 22. a sponge body; 23. spraying and melting cloth; 3. a one-way air outlet valve; 31. a housing; 31a, a 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.

Example one

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 installation through hole 1b, a breather valve 2 is detachably clamped at the installation through hole 1b, and the breather valve 2 is arranged downward; the breather valve 2 comprises a valve shell tube 21 clamped at the installation through hole 1b, the valve shell tube 21 is arranged downwards, the lower end of the valve shell tube 21 is closed, the circumferential surface of the valve shell tube 21 is of a hollow structure, and a columnar sponge body 22 is embedded in the valve shell tube 21; a spray-melting cloth 23 is arranged between the peripheral surface of the sponge body 22 and the inner wall of the valve shell tube 21, and the spray-melting cloth 23 is sleeved outside the sponge body 22; connecting belts 5 are arranged on two sides of the face mask 1. When the mask is used, air enters the mask 1 from the outside after passing through the breather valve 2, and in the process, the air needs to pass through the spray-melt cloth 23 and the sponge body 22, and the air is filtered by the spray-melt cloth 23. The breather valve 2 is arranged downwards in the embodiment and corresponds to the nostril, so that the breathing 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 spray-melting cloth 23 and the sponge body 22 are convenient to replace, and the spray-melting cloth 23 with different filtering effect grades 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 embodiment can adopt active carbon for virus prevention. In the embodiment, the connecting band 5 is used for wearing instead of an ear-hanging structure, so that the ear-hanging type ear-protection band is more comfortable and suitable for being worn for a long time without symptoms such as ear pain.

Specifically, 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; the sealing performance of the mask 1 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 8 can ensure that the mask 1 is hung on the nose bridge and is prevented from falling off; the mask 1 can be attached to the bridge of the nose, and the sealing performance is improved. 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 face 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, and one end of each connecting belt 5 is provided with a flange 5a and is inserted into the clamping hole 7 a; two connecting bands 5 can be connected through connector link 6, and the other end at connecting band 5 is established to connector link 6 cover, and connector link 6 is for magnetism to inhale connector link 6. The connecting buckle 6 is a conventional product sold in the market, and the detailed structure thereof is not described. Of course, the two connecting strips 5 can also be connected in other ways. The two connecting bands 5 are very convenient to connect, and the tightness can be conveniently adjusted when the user wears the glasses. 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.

As shown in fig. 3 and 4, the valve shell tube 21 is cylindrical, an opening 21a is formed in an upper end face of the valve shell tube 21, an annular clamping groove 21b is formed in an outer peripheral surface of an upper end of the valve shell tube 21, and a side wall of the installation through hole 1b is clamped in the annular clamping groove 21 b; the sponge body 22 is cylindrical, the end face of the upper end of the sponge body 22 is opposite to the opening 21a, and the spray-melting cloth 23 is cylindrical and covers the hollow structure of the valve casing pipe 21; the inner and outer side surfaces of the meltblown fabric 23 are in close contact with the inner wall of the valve housing tube 21 and the outer peripheral surface of the sponge 22. In the embodiment, the sponge body 22 supports the spray-melting cloth 23, and the sponge body 22 can circulate air, and the air is filtered through a cylinder surrounded by the spray-melting cloth 23; the contact area of the whole spray-melting cloth 23, the sponge body 22 and the hollow structure of the valve shell tube 21 is large, the air flow is improved, and the comfort of a human body is ensured.

Example two

As shown in fig. 5, 6 and 7, the present embodiment is substantially the same as the first embodiment, except that in the present embodiment, at least one air outlet installation hole 1c is further formed in the mask 1, and a one-way air outlet valve 3 is installed at each air outlet installation hole 1 c. Preferably, the number of the air outlet mounting holes 1c is three, two of which are located at both sides of the protruding portion and the other of which is located below the step surface 1 a. Further, one-way air outlet valve 3 includes that the joint is 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 the 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 outwards of mounting bracket 32, 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 suction, the valve plate 33 is attached to the mounting frame 32 and cannot be opened, and airflow 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 31a is formed in the outer peripheral surface of the housing 31, an annular convex edge 1d is formed on the wall of the air outlet mounting hole 1c along the circumferential direction of the air outlet mounting hole, and the annular convex edge 1d can be embedded in the groove 31 a. Face guard 1 is flexible, through annular protruding along 1d deformation can convenient and fast with its card go into casing 31 in the recess 31a, can guarantee the leakproofness moreover, the installation of one-way air outlet valve 3 is all very convenient with the dismantlement, has improved the convenience that whole protective mask structure production assembly and one-way air outlet valve 3 were changed. Similarly, the hole wall of the installation through hole 1b is also provided with an annular convex edge along the circumferential direction of the installation through hole and the annular convex edge can be embedded in the annular clamping groove 21b, so that the sealing performance of the connection between the valve shell tube 21 and the face mask 1 can be ensured, and the installation and the disassembly are very convenient.

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, installing a through hole; 1c, an air outlet mounting hole; 1d, an annular convex edge; 2. a breather valve; 21. a valve housing tube; 21a, an opening; 21b, a ring-shaped clamping groove; 22. a sponge body; 23. spraying and melting cloth; 3. a one-way air outlet valve; 31. a housing; 31a, a 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 installation through hole (1b), a breather valve (2) is detachably clamped at the installation through hole (1b), and the breather valve (2) is arranged downward; the breather valve (2) comprises a valve shell pipe (21) clamped at the installation through hole (1b), the valve shell pipe (21) is arranged downwards, the lower end of the valve shell pipe (21) is closed, the peripheral surface of the valve shell pipe (21) is of a hollow structure, and a columnar sponge body (22) is embedded in the valve shell pipe (21); spray-melting cloth (23) is arranged between the outer peripheral surface of the sponge body (22) and the inner wall of the valve shell tube (21), and the spray-melting cloth (23) is sleeved outside the sponge body (22); 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 valve shell tube (21) is cylindrical, an opening (21a) is formed in an upper end face of the valve shell tube (21), an annular clamping groove (21b) is formed in an outer peripheral surface of an upper end of the valve shell tube (21), and a side wall of the mounting through hole (1b) is clamped in the annular clamping groove (21 b); the sponge body (22) is cylindrical, the end face of the upper end of the sponge body (22) is opposite to the opening (21a), and the spray-melting cloth (23) is cylindrical and covers the hollow structure of the valve shell tube (21); the inner side surface and the outer side surface of the spray-melting cloth (23) are tightly attached to the inner wall of the valve shell pipe (21) and the peripheral surface of the sponge body (22).

3. The protective mask structure according to claim 1 or 2, wherein 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 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).

4. The protective mask structure according to claim 1 or 2, wherein the mask (1) is further provided with at least one air outlet mounting hole (1c), and a one-way air outlet valve (3) is mounted at each air outlet mounting hole (1 c).

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

6. The protective mask structure according to claim 5, wherein an annular groove (31a) is provided on the outer peripheral surface of the shell (31), and the wall of the outlet mounting hole (1c) has an annular protruding edge (1d) along the circumferential direction thereof, and the annular protruding edge (1d) can be fitted into the groove (31 a).

7. 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).

8. The protective mask structure according to claim 1 or 2, wherein the two connecting bands (5) can be connected by a connecting buckle (6), the connecting buckle (6) is sleeved at the other end of the connecting band (5), and the connecting buckle (6) is a magnetic connecting buckle (6).