CN214047670U - Mask with structure capable of closing breather valve - Google Patents
Mask with structure capable of closing breather valve Download PDFInfo
- Publication number
- CN214047670U CN214047670U CN202023275847.0U CN202023275847U CN214047670U CN 214047670 U CN214047670 U CN 214047670U CN 202023275847 U CN202023275847 U CN 202023275847U CN 214047670 U CN214047670 U CN 214047670U
- Authority
- CN
- China
- Prior art keywords
- mask
- breather valve
- gauze mask
- hole
- main part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005180 public health Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 abstract 3
- 230000001815 facial effect Effects 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a gauze mask with can close breather valve structure, including the gauze mask main part, ear-hang and breather valve, ear-hang fixed mounting is in the both sides of gauze mask main part, breather valve fixed mounting is in the surface of gauze mask main part, and the surface of gauze mask main part sets up the hole that is linked together with the breather valve, the breather valve includes outer protective housing, clamp plate, bent shell fragment, plug and equipment board, two equipment boards are located the inside and outside both sides of gauze mask main part respectively, the air that the user inhales is gone into after the gauze mask filters in, when the user exhales, atmospheric pressure promotes the plug to pop out outward, bent shell fragment slightly deforms outwards, after the air current discharges from through-hole, the plug resets under the elastic effect of bent shell fragment; when a public health event occurs, a user can fix the screw rod in the through hole by screwing the screw rod inwards until the tail end of the screw rod props against the rear side of the pressing plate, so that the screw rod cannot be ejected out when the user exhales, the effect of sealing the breather valve is achieved, and the phenomenon that the air exhaled by the user pollutes the surrounding environment is avoided.
Description
Technical Field
The utility model relates to a civilian gauze mask technical field, in particular to gauze mask with can close breather valve structure.
Background
Particulate matter protective facial mask is a main classification of protective facial mask for the specialty, designs and is used for various graininess air contaminant such as protection dust, smoke and dust, smog, provides respiratory protection for the person of wearing, belongs to personal protective articles. Common particulate matter protective facial mask divide into and has or not the breather valve two kinds, and the particulate matter protective facial mask who has the breather valve wherein can effectually protect the user, but the breather valve can be opened during the exhalation, can't play good guard effect to the surrounding environment, when having led to the public health incident and taking place, the particulate matter protective facial mask who has the breather valve is the problem of not being proposed to use usually.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gauze mask with can close breather valve structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mask with a structure capable of closing a breather valve comprises a mask main body, ear hooks and breather valves, wherein the ear hooks are fixedly arranged on two sides of the mask main body, the breather valves are fixedly arranged on the surface of the mask main body, and the surface of the mask main body is provided with a hole communicated with a breather valve, the breather valve comprises an outer protective shell, a pressure plate, a bent elastic sheet, a rubber plug and two assembling plates, the two assembling plates are respectively positioned at the inner side and the outer side of the mask main body, positioning holes are uniformly arranged on the surface of the assembling plate, a through hole is arranged in the middle of the assembling plate, one end of each of the four curved elastic sheets is welded on the side wall of the pressing plate, the other end of the curved elastic sheet is welded on the surface of the assembling plate, the rubber plug is fixedly arranged at the inner side of the pressing plate, and the rubber plug is inserted in the through hole, the middle part of the outer protective shell is provided with a screw hole, a screw rod is screwed in the screw hole, and the tail end of the screw rod is tightly attached to the pressing plate.
Preferably, the two assembling plates are fixed on the surface of the mask through rivets penetrating through the positioning holes.
Preferably, a filter screen is fixedly arranged in the through hole.
Preferably, the periphery of the outer protective shell is uniformly and integrally formed with assembling wings, and the assembling wings are fixedly mounted on the outer portion of the mask body through rivets.
Preferably, the screw is integrally formed with a knob at the outside thereof.
Preferably, the length of the screw is not less than the distance between the assembling plate and the outer protective shell.
The utility model has the advantages that: the rubber plug structure of the breather valve is pressed in the through hole by means of the elasticity of the curved elastic sheet, when a user wears the mask to inhale air, the rubber plug maintains the locking state of the through hole, the air inhaled by the user enters the body after being filtered by the mask, when the user exhales air, the air pressure pushes the rubber plug to pop out, the curved elastic sheet slightly deforms outwards, and the rubber plug resets under the elastic action of the curved elastic sheet after the air flow is exhausted from the through hole; when a public health event occurs, a user can fix the screw rod in the through hole by screwing the screw rod inwards until the tail end of the screw rod props against the rear side of the pressing plate, so that the screw rod cannot be ejected out when the user exhales, the effect of sealing the breather valve is achieved, and the phenomenon that the air exhaled by the user pollutes the surrounding environment is avoided.
Drawings
FIG. 1 is a main sectional view of the present invention;
fig. 2 is a schematic view of the disassembly structure of the breather valve of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a mask with a closable breather valve structure comprises a mask main body 1, ear hooks 2 and breather valves 3, the ear hooks 2 are fixedly arranged at two sides of the mask main body 1, the breather valves 3 are fixedly arranged on the surface of the mask main body 1, and holes communicated with the breather valves 3 are formed in the surface of the mask main body 1, the breather valves 3 comprise an outer protective shell 4, a pressing plate 9, a curved elastic sheet 10, a rubber plug 11 and an assembling plate 12, the two assembling plates 12 are respectively positioned at the inner side and the outer side of the mask main body 1, positioning holes 14 are uniformly formed in the surface of the assembling plate 12, through holes 13 are formed in the middle of the assembling plate 12, one ends of the four curved elastic sheets 10 are welded on the side wall of the pressing plate 9, the other ends of the curved elastic sheets 10 are welded on the surface of the assembling plate 12, the rubber plug 11 is fixedly arranged at the inner side of the pressing plate 9, the rubber plug 11 is inserted into the through holes 13, screw holes 6 are formed in the middle of the outer protective shell 4, a screw rod 7 is screwed in the screw hole 6, and the tail end of the screw rod 7 is tightly attached to the pressing plate 9.
Specifically, the two assembling plates 12 are fixed to the mask surface by rivets inserted through the positioning holes 14.
Specifically, a screen 15 is fixedly mounted in the through hole 13.
Specifically, the outer protective shell 4 is uniformly and integrally formed with the fitting wings 5 at the periphery thereof, and the fitting wings 5 are fixedly attached to the outside of the mask body 1 by rivets.
Specifically, the knob 8 is integrally formed on the outside of the screw 7.
Specifically, the length of the screw 7 is not less than the distance between the assembly plate 12 and the outer protective shell 4.
The working principle is as follows: when the utility model is used, the rubber plug 11 structure of the breather valve 3 is pressed in the through hole 13 by the elasticity of the curved elastic sheet 10, when a user wears the mask to inhale, the rubber plug 11 maintains the locking state of the through hole 13, the air inhaled by the user enters the body after being filtered by the mask, when the user exhales, the air pressure pushes the rubber plug 11 to pop out outwards, the curved elastic sheet 10 slightly deforms outwards, and after the air flow is exhausted from the through hole 13, the rubber plug 11 resets under the elastic action of the curved elastic sheet 10; when a public health event occurs, a user can fix the screw 7 in the through hole 13 by screwing the screw 7 inwards until the tail end of the screw 7 props against the rear side of the pressing plate 9, so that the screw cannot be ejected out when the user exhales, the effect of closing the breather valve is achieved, and the phenomenon that the air exhaled by the user pollutes the surrounding environment is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a gauze mask with can close breather valve structure, includes gauze mask main part (1), ear-hang (2) and breather valve (3), ear-hang (2) fixed mounting in the both sides of gauze mask main part (1), breather valve (3) fixed mounting in the surface of gauze mask main part (1), and gauze mask main part (1) surface offer the hole that is linked together with breather valve (3), its characterized in that: the breather valve (3) comprises an outer protective shell (4), a pressure plate (9), a curved spring plate (10), a rubber plug (11) and two assembling plates (12), wherein the two assembling plates (12) are respectively positioned at the inner side and the outer side of the mask main body (1), positioning holes (14) are uniformly formed in the surface of the assembling plate (12), a through hole (13) is formed in the middle of the assembling plate (12), one end of each of the four curved elastic sheets (10) is welded to the side wall of the pressing plate (9), the other end of the curved elastic sheet (10) is welded on the surface of the assembling plate (12), the rubber plug (11) is fixedly arranged on the inner side of the pressing plate (9), the rubber plug (11) is inserted into the through hole (13), the middle part of the outer protective shell (4) is provided with a screw hole (6), the screw hole (6) is internally threaded with a screw rod (7), and the tail end of the screw rod (7) is tightly attached to the pressing plate (9).
2. A mask having a closable breathing valve structure according to claim 1, wherein: the two assembling plates (12) are fixed on the surface of the mask through rivets penetrating through the positioning holes (14).
3. A mask having a closable breathing valve structure according to claim 1, wherein: and a filter screen (15) is fixedly arranged in the through hole (13).
4. A mask having a closable breathing valve structure according to claim 1, wherein: the mask is characterized in that an assembly wing (5) is uniformly and integrally formed on the periphery of the outer protective shell (4), and the assembly wing (5) is fixedly installed on the outer portion of the mask body (1) through rivets.
5. A mask having a closable breathing valve structure according to claim 1, wherein: and a knob (8) is integrally formed outside the screw rod (7).
6. A mask having a closable breathing valve structure according to claim 1, wherein: the length of the screw rod (7) is not less than the distance between the assembling plate (12) and the outer protective shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023275847.0U CN214047670U (en) | 2020-12-30 | 2020-12-30 | Mask with structure capable of closing breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023275847.0U CN214047670U (en) | 2020-12-30 | 2020-12-30 | Mask with structure capable of closing breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214047670U true CN214047670U (en) | 2021-08-27 |
Family
ID=77368000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023275847.0U Expired - Fee Related CN214047670U (en) | 2020-12-30 | 2020-12-30 | Mask with structure capable of closing breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214047670U (en) |
-
2020
- 2020-12-30 CN CN202023275847.0U patent/CN214047670U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210827 |