CN209711604U - A kind of protective face mask - Google Patents
A kind of protective face mask Download PDFInfo
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- CN209711604U CN209711604U CN201920195815.8U CN201920195815U CN209711604U CN 209711604 U CN209711604 U CN 209711604U CN 201920195815 U CN201920195815 U CN 201920195815U CN 209711604 U CN209711604 U CN 209711604U
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- seal closure
- face mask
- protective face
- outside
- protection
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Abstract
The utility model discloses a kind of protective face mask, including the first seal closure, the second seal closure and filter core, the first seal closure and the second seal closure all have the inside domes that are open, and the first protection chamber for being provide with nose is formed on the inside of the first seal closure；Second seal closure is set to outside the first seal closure, and the second protection chamber for being provide with oral area is formed between the first seal closure outside；Filter core is set on the outside of the second seal closure and forms filter chamber between the second seal closure；Protective face mask further includes the first breather check valve, the first outgassing nonreturn valve, the second breather check valve and the second outgassing nonreturn valve, and the first breather check valve is through to the first protection chamber from filter chamber, can be opened to the first protection chamber；First outgassing nonreturn valve is through to outside protective face mask from the first protection chamber, can be opened outward；It is intracavitary that second breather check valve from filter chamber is through to the second protection, can open to the second protection chamber；Second outgassing nonreturn valve is through to outside protective face mask from the second protection chamber, can be opened outward.
Description
Technical field
The utility model relates to wearable protective device technical fields, and in particular to a kind of protective face mask.
Background technique
Protective face mask can play a role in filtering for entering the air of human respiratory tract, and user is wearing protective face mask
Oral cavity or nasal cavity can be effectively prevented to suck the harmful substance in air afterwards, to reduce caused by air pollution on human health
It threatens.CN205730013U discloses a kind of mask and the purification assembly for mask, which includes fixed frame, filter core and list
To valve.When user's air-breathing, air is flowed into after filter element filtering on the inside of mask；Exhaled gas is mainly expelled to mask through check valve
Outside.This protective face mask can play a certain protective role the breathing of user, but due to check valve limited area, greatly
Amount exhaled gas is easily accumulated in the chamber on the inside of mask, so that being easy to be in humid tropical condition on the inside of mask, is reduced
The comfort that protective face mask uses；And exhaled gas is easy to be again sucked into human body, affects the effect of breathing of user.
Utility model content
The utility model provides a kind of protective face mask, and nose and oral area separation is intracavitary in different protection, so that anti-
Face shield can be suitable for various respiratory mode.
The purpose of this utility model is to provide a kind of protective face mask, including the first seal closure, the second seal closure and filter core,
First seal closure and the second seal closure all have the inside domes that are open, and are formed on the inside of the first seal closure for being provide with
First protection chamber of user's nose；Second seal closure is located at outside the first seal closure, inside and the first seal closure
The second protection chamber for being provide with user's oral area is formed between outside；The filter core is arranged on the outside of the second seal closure, side
Edge is connected on the lateral wall of second seal closure, forms filter chamber between the second seal closure；
The protective face mask further includes the first breather check valve, the first outgassing nonreturn valve, the second breather check valve and second
Outgassing nonreturn valve, first breather check valve, it is intracavitary that first breather check valve from filter chamber is through to the first protection, can
It is opened to the first protection cavity direction；First outgassing nonreturn valve is through on the outside of protective face mask from the first protection chamber, can be to anti-
Face shield lateral direction is opened；It is intracavitary that second breather check valve from filter chamber is through to the second protection, can be to the second protection
Cavity direction is opened；Second outgassing nonreturn valve is through on the outside of protective face mask from the second protection chamber, can be to protective face mask outside
It opens in direction.
Further, it is connected with the first sealing ring in the first sealing shroud rim, first sealing ring is for arranging
On the outside of user's nose；It is connected with the second sealing ring in the second sealing shroud rim, second sealing ring is for arranging
On the outside of user's mouth and nose.
Further, the first seal closure outer rim is equipped with the flange extended towards center position, the flange and second
Card slot is formed between seal closure lateral wall, the card slot sets the filter core edge for blocking.
Further, it is additionally provided with the pillar of multiple protrusions on the outside of first seal closure, is used to support filter core.
Further, the protective face mask further includes cover, and the cover is detachably arranged on the outside of the filter core.
Protective face mask provided by the utility model will be isolated into two protection chambers on the inside of protective face mask, be suitable for a variety of differences
The breathing pattern scheme that protection chamber does not separate on the inside of the mask compared with, this programme can reduce exhaled gas and protect intracavitary side
Diffusion, be conducive to exhaled gas discharge so that protective face mask wear it is more comfortable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the utility model first embodiment on the outside of protective face mask.
Fig. 2 is the structural schematic diagram in the utility model first embodiment on the inside of protective face mask.
Fig. 3 is the top view protected in the utility model first embodiment.
Fig. 4 is the cross-sectional view in the face A-A in Fig. 4.
Fig. 5 is the explosive view of protective face mask in the utility model first embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Mode, the present invention will be further described in detail.
In this specification, protective face mask is in use, be " inside " close to user's face side, far from user's face one
Side is " outside ".
Referring to figs. 1 to Fig. 5, the utility model first embodiment provides a kind of protective face mask, including from inside to outside successively
The first seal closure 1, the second seal closure 2 and the filter core 3 being arranged, first seal closure 1 and the second seal closure 2 all have opening to
Interior domes form the first protection chamber 10 for being provide with user's nose on the inside of the first seal closure 1；Second sealing
Cover 2 is located at outside the first seal closure 1, and for being provide with user's oral area is formed between inside and the first seal closure outside
Two protection chambers 20；The edge of the filter core 3 is connected to the outside of second seal closure 2, and it is close that edge is connected to described second
On the lateral wall of sealing cover 2, filter chamber 30 is formed between the second seal closure 2, filter core 3 flows into filter chamber 30 for filtering from outside
Interior air；
The protective face mask further includes the first breather check valve 11, the first outgassing nonreturn valve 12, the second breather check valve 21
With the second outgassing nonreturn valve 22, first breather check valve 11 is through in the first protection chamber 10 from the filter chamber 30, can
It is opened to the first protection 10 direction of chamber；First outgassing nonreturn valve 12 is through on the outside of protective face mask from the first protection chamber 10,
It can be opened to protective face mask lateral direction；Second breather check valve 21 is through in the second protection chamber 20 from filter chamber 30,
It can be opened to the second protection 20 direction of chamber；Second outgassing nonreturn valve 22 is through to outside protective face mask from the second protection chamber 20
Side can be opened to protective face mask lateral direction.
The utility model will be isolated into two protection chambers on the inside of protective face mask, be suitable for more by the first seal closure of setting
The different breathing pattern of kind.When user passes through mouth and nose tidal air simultaneously, air enters filter chamber after filter element filtering, then
Enter the first protection chamber through the first breather check valve and the second breather check valve respectively and the second protection chamber is inhaled by the user, exhales
When gas, exhaled gas is directly discharged through the first outgassing nonreturn valve and the second outgassing nonreturn valve respectively, is protected on the inside of mask
The scheme that chamber does not separate is compared, and this programme can reduce exhaled gas in the diffusion for protecting intracavitary side, is conducive to exhaled gas row
Out；When user is through mouth and nose/snuffing gas, transnasal expiration, gas is discharged from the first outgassing nonreturn valve, be can be avoided and is exhaled
It is intracavitary to diffuse to the second protection for gas out, so that protective face mask wearing is more comfortable.
Further, it is connected with the first sealing ring (not indicating in figure) on 1 edge of the first seal closure, described first is close
Seal is for being arranged on the outside of user's nose；The second sealing ring is connected on second seal closure, 2 edge (not mark in figure
Show), second sealing ring is for being arranged on the outside of user's mouth and nose.This programme improves protective face mask and connects with user's face
The leakproofness of touching, to improve protection effect.
It should be noted that in the utility model, first seal closure structure can there are many forms, such as can be with
It is to be tightly connected circle body on the second seal closure inner sidewall to be formed；Can also directly on the inside of the second seal closure the connect cover bodily form
At；It can also be and the second seal closure is directly separated by two protection chambers by partition, wherein being provide with the protection chamber i.e. shape of nose
At the first protection chamber.In the present embodiment, the protective face mask includes the first circle body 1a, and the outer end the first circle body 1a is tightly connected
On 2 inner sidewall of the second seal closure, make to enclose 1 structure of the first seal closure on the inside of the second seal closure 2 and the first circle body 1a.
Further, the outer end the first circle body 1a is equipped with retainer ring, and second seal closure 2 is described equipped with setting for card
The deck of retainer ring, by the way that retainer ring detachable card to be located in the deck, it can be achieved that the first circle body 1a is connected to the second sealing
On the inner sidewall of cover 2, to form the first seal closure.
It should be noted that first breather check valve, the first outgassing nonreturn valve, the second breather check valve and second are single
It is had no to the number of air outlet valve and setting position specifically limited.
In the present embodiment, there are two first breather check valves 11, is set on the first circle body 1a, the protection face
Cover further includes air inlet pipe, and the air inlet pipe ring is located at 11 periphery of the first breather check valve, is through in the filter chamber 30；
There are two second breather check valves 21, on the second seal closure 2 in the second protection chamber 20.This programme is by setting
The first breather check valve and the second breather check valve are set, filter chamber is made to be respectively communicated with the first protection chamber and the second protection chamber, thus
Allow the independent oral or nasal air-breathing of user.
In the present embodiment, the first escape pipe 4 and the second escape pipe 5, first escape pipe 4 are equipped in the protective face mask
It is through on the outside of protective face mask from the first protection chamber 10；Second escape pipe 5 is through to protective face mask from the second protection chamber 20
Outside；First outgassing nonreturn valve 12 is set in first escape pipe 4；Second outgassing nonreturn valve 22 is set to described the
In two escape pipes.
Further, the retainer ring has certain length, and the first through hole of retainer ring described in face is equipped among the deck,
The filter core 3 is equipped with the second through-hole of retainer ring described in face, and the retainer ring sequentially passes through first after being fastened in the deck
Through-hole and the second through-hole extend on the outside of protective face mask, form the first escape pipe 4.This programme simplifies the structure of protective face mask,
Reduce production cost.
Further, 2 outer wall of the second seal closure is equipped with the flange extended from edge towards center position, the flange
Card slot is formed between the outer wall of the second seal closure 2, the card slot makes filter core 3 and second for blocking the edge for setting the filter core 3
Seal closure 2 connects.The filter core of this programme is that detachable card is located on second seal closure, is conducive to filter element replacing.
Further, the outer wall of second seal closure 2 is equipped with the pillar 23 of multiple protrusions, 3 edge card of filter core
When being located in the card slot of second seal closure 2, the pillar 23 is contradicted on the inner wall of the filter core 3.This programme is by setting
Pillar is set, the volume of filter chamber can be effectively increased, to promote protective face mask to the filter effect of air.
Further, the protective face mask further includes cover (not shown), and the cover is detachably arranged at described
3 outside of filter core.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
It is practical new to should be included in this for made any modifications, equivalent replacements, and improvements etc. within the spirit and principles of the utility model
Within the protection scope of type.
Claims (5)
1. a kind of protective face mask, which is characterized in that including the first seal closure, the second seal closure and filter core, first seal closure
The inside domes of being open are all had with the second seal closure, form for being provide with user's nose on the inside of the first seal closure
One protection chamber；Second seal closure is located at outside the first seal closure, is formed and is used between inside and the first seal closure outside
In the second protection chamber for being provide with user's oral area；The filter core is arranged on the outside of the second seal closure, and edge is connected to described the
On the lateral wall of two seal closures, filter chamber is formed between the second seal closure；
The protective face mask further includes the first breather check valve, the first outgassing nonreturn valve, the second breather check valve and the second outlet
Check valve, it is intracavitary that first breather check valve from filter chamber is through to the first protection, can open to the first protection cavity direction；Institute
It states the first outgassing nonreturn valve to be through on the outside of protective face mask from the first protection chamber, can be opened to protective face mask lateral direction；It is described
It is intracavitary that second breather check valve from filter chamber is through to the second protection, can open to the second protection cavity direction；Second outlet
Check valve is through on the outside of protective face mask from the second protection chamber, can be opened to protective face mask lateral direction.
2. protective face mask according to claim 1, which is characterized in that it is close to be connected with first in the first sealing shroud rim
Seal, first sealing ring is for being arranged on the outside of user's nose；It is close that second is connected in the second sealing shroud rim
Seal, second sealing ring is for being arranged on the outside of user's mouth and nose.
3. protective face mask according to claim 1, which is characterized in that the first seal closure outer rim is equipped with towards center side
To the flange of extension, card slot is formed between the flange and the second seal closure lateral wall, the card slot sets the filter core for blocking
Edge.
4. protective face mask according to claim 3, which is characterized in that be additionally provided with multiple protrusions on the outside of first seal closure
Pillar, be used to support filter core.
5. protective face mask according to claim 4, which is characterized in that the protective face mask further includes cover, the cover
It is detachably arranged on the outside of the filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195815.8U CN209711604U (en) | 2019-02-13 | 2019-02-13 | A kind of protective face mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195815.8U CN209711604U (en) | 2019-02-13 | 2019-02-13 | A kind of protective face mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209711604U true CN209711604U (en) | 2019-12-03 |
Family
ID=68683009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920195815.8U Active CN209711604U (en) | 2019-02-13 | 2019-02-13 | A kind of protective face mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209711604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181572A (en) * | 2021-03-24 | 2021-07-30 | 上海理工大学 | Replaceable mask capable of being used for long time |
-
2019
- 2019-02-13 CN CN201920195815.8U patent/CN209711604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181572A (en) * | 2021-03-24 | 2021-07-30 | 上海理工大学 | Replaceable mask capable of being used for long time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518116 New Zhongqiao Industrial Park, No. 3, Baolong Six Road, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, Building A, 101, 201, 601B, Building C, 101, 201 and 401 (There are operating sites in Dolly Industrial Park, Building A, No. 9 Jinlong Road, Baolong Street, Longgang District, Shenzhen City). Patentee after: Shenzhen meimeimeichuangyi Medical Technology Co., Ltd Address before: 518116 New Zhongqiao Industrial Park, No. 3, Baolong Six Road, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, Building A, 101, 201, 601B, Building C, 101, 201 and 401 (There are operating sites in Dolly Industrial Park, Building A, No. 9 Jinlong Road, Baolong Street, Longgang District, Shenzhen City). Patentee before: MEHOW INNOVATIVE Ltd. |
|
| CP01 | Change in the name or title of a patent holder |